NISSAN ALMERA N15 1995 Service Manual

ENGINECOOLING SYSTEM
Water Pump
REMOVAL ANDINSTALLATION

1. Drain engine coolant fromradiator andcylinder block.
2. Remove upperradiator hose,timing beltcovers, front
engine mounting bracketandtiming belt.
3. Remove timingbelttensioner andidler andtiming belt
lower backcover.

~
Drain plug(Radiator)

4.Remove waterpump.
• For installation, applyliquidgasket towater pumpasshown
in the figure.

2.5:!:0.5
Bolt hRille (0.098:!:0.020r12.5:!: 0.5
die. (0.098:!:0.020)

dIe.
Unit: mm(in) SLC565A
*:
Apply liquidsealant tothe thread.

~/ ~~;>
~/ ~l!.

to.J
M7: 16-20 N.m (1.6-2.0 kg-m, 12-14 ft-Ib)
M8: 16-21 N.m (1.6-2.1 kg-m, 12-15 ft-Ib)

SLC563A
LC-33
•

ENGINECOOLING SYSTEM
Water Pump(Cont'd)
INSPECTION

• Check bodyassembly forrust orcorrosion.
• Check forrough operation duetoexcessive endplay.

SLC760 Thermostat
REMOVAL ANDINSTALLATION

Bolthole
2.5:t0.5(0.098:t 0.020)
die.

\ r
/2.5+0.5

rTfJ ~
(0.098:t 0.020)
die.

SLC564AA

Thermostat
housing

o

a
o

Bolt hole
¥
2.5:t0.5 (0.098:t 0.020)
die.

F2.5+0.5

,-a,
(0.098:t ~.020)die.

From
coldstart device

'I ..

From
01
cooler ..

/

From heater unit~~

2.5+'5
0

:. ••uo.02O)~'28l

Unit: mm(in)

toJ :
N.m (kg-m, ft-Ib)

SEC.
210-211

•Apply liquidgasket towater outlet, thermostat housingand
water inlet.

LC-34

SLC097
•

ENGINE
COOLING SYSTEM
Thermostat (Cont'd)

• Install thermostat withjiggle valveuppermost.

• After installation, runengine forafew minutes, andcheck
for leaks.

Upper

.. Jigglevalve
----¥-

A~ ...
g

~~-

SLC343INSPECTION

1. Check forvalve seating condition atordinary temperatures.
It should seattightly.
2." Check valveopening temperature andvalve lift.
Valve opening temperature
°c
(OF) 88(190)
Valve lift
mmrC
(inrF) Morethan10/100 (0.39/212)
3. Then check ifvalve closes atSOC (9°F) below valveopening
temperature.

Radiator

14

iii :
N'm (kg-m, in-Ib)

~
6.86 (0.70, 60.7)

9

SEC.
214

1i13.7 -5.0

\~~8 _-4~.~~-_ ~
i
1jJ,.7-
5.0 (0.38 -0.51, ".0-
44.')

~ l
~~9
._~1

~@~----
I

~
.
-~

.
~
._~

~~ J'

.~ ~

@
1t1 '''~.
l!jO

~1.5 .82.5
A;:

, (0.15 •0.25,

L
13.0. 21.7)

iii
3.7 •5.0 (0.38 .0.51, 33.0•44.3)

SLC054B

CD
Reservoir tank

@
Reservoir tankbracket

@
Radiator cap

@
Mounting bracket

@
Upper radiator hose
@

Washer

(J)
Radiator drainplug

@
Mounting rubber

@
Radiator

@l
Lower radiator hose
@

Cooling fan
@ Cooling fanmotor

@
Shield spacer

@
Cooling fanmotor shield

LC-35

ENGINECOOLING SYSTEM
@J

Radiator (Cont'd)
Cooling fancontrol system

• Cooling fansarecontrolled bythe ECM. Fordetails, referto
EC section
("Cooling
FanControl", "TROUBLE
DIAGNOSES").

Refilling enginecoolant

• For details onrefilling enginecoolant, refertoMA section
("REFILLING ENGINECOOLANT", "ChangingEngine
Coolant").

LC-36

ENGINECOOLING SYSTEM
I

GA, SR,CD
I

Radiator (Aluminum type)

r
Sealing rubber~

•

SLC882AB
AIT
model only

r

Upper tank
Sealing rubber~

/"""-.

CJ~~ /~.........."-. '-.. ....,
1I

. / -~ '-""", /~Oil coolersecuring nut-

~ ~,>" (
6<,~8 •
12 N.m
(0.8•1.2 kg-m,
69-104
In-Ib)

@
0..~
~>..
!--Conicalwasher~

, ~I"~"-
Washer
/ /~, ,-O-ring~
Lower tank
-.I
I/' ,_
Oil cooler

o

,

SEC.
214

1.5(0.059)

H"
=
7.6
(0.299)

Unit: mm(in)
PREPARATION

1. Attach thespacer tothe tipofthe radiator platepliers A.
Spacer specification: 1.5mm (0.059 in)thick x18 mm (0.71
in) wide x8.5 mm (0.335 in)long.
2. Make surethatwhen radiator platepliers Aare closed
dimension H"isapprox. 7.6mm (0.299 in).
3. Adjust dimension H"with thespacer, ifnecessary.

• Ifthe radiator corerimscannot becrimped asspecified,
further modification ofthe radiator platepliers Ais
required. Refertothe Technical BulletinLC91-001.
SLC655C
D1SASSEMBL Y

1. Remove tankwithTool.
• Grip thecrimped edgeandbend itupwards sothat Tool
slips off.

Do not bend excessively.
*
LC-37

ENGINECOOLING SYSTEM
I
GA, SR,CD
I

Radiator (Aluminum type)(Cont'd)

• Inareas where Toolcannot beused, useascrewdriver to
bend theedge up.

Be careful nottodamage tank.

2. Make suretheedge stands straight up.
3. Remove oilcooler fromtank.
(AfT
models only)

SLC931 ASSEMBLY
1. Install oilcooler.
(AfT
models only)

Pay attention todirection ofconical washer.
~ Conical washer~
SLCB94
2.Clean contact portionoftank.

SLC932
3.Install sealing rubber.

Push itin with fingers.
Be careful nottotwist sealing rubber.
LC-38

SLC904

CD

@

10~~103~ \

~' ENGINE
COOLING SYSTEM
I
GA, SR,CD
I

Radiator (Aluminum type)(Cont'd)

4. Caulk tankinspecified sequence withTool.

•

Keep toolperpendicular to
the radiator.
o

X

(Grip isinsufficient.)

SLC896

• Use pliers inthe locations whereToolcannot beused.
5. Make surethattherim iscompletely crimpeddown.

Standard height
"H":

8.0 -8.4 mm (0.315 -0.331 in)

6. Confirm thatthere isno leakage.

Refer toInspection.
INSPECTION

Apply pressure withTool.

Specified pressurevalue:
157 kPa (1.57 bar,1.6kg/cm
2,
23psi)
WARNING:
To prevent therisk ofthe hose coming undonewhileunder
pressure, securelyfastenitdown withahose clamp.
Attach ahose tothe oilcooler aswell.
(A
IT models only)
SLC933 LC-39

Oilpressure checkSERVICE
DATAANDSPECIFICATIONS (50S)
Engine Lubrication System(GA)
Oil pump inspection
I

GA, SR
I

Engine speed
rpm
Idle speed

2,000
6,000
Approximate
dischargepressure
kPa (bar, kg/cm?, psi)
More than
59(0.59, 0.6,9)

More than
245(2.45, 2.5,36)

More than
422(4,22, 4.3,61)
Body
toouter gear
clearance
Inner geartocrescent
clearance
Outer geartocrescent
clearance
Body toinner gear
clearance
Body toouter gear
clearance
Inner geartobrazed portionof
housing clearance Unit:
mm(in)

0.110 -0.200 (0.0043 -0.0079)
0.217 -0.327 (0.0085 -0.0129)
0.21 -0.32 (0.0083 -0.0126)
0.05 -0.09 (0.0020 -0.0035)
0.05 -0 11 (0.0020 -0.0043)
0.045 -0.091 (0.0018 -0.0036)
Thermostat Engine
Cooling System(GA)
Radiator

Standard Unit:
kPa(bar, kg/cm?, psi)
Valve opening temperature °C("F)
Valve lift mml'C(inI'F)
76.5
(170)

More than

8/90 (0.31/194)
Standard
Cap relief
pressure Limit
Leakage testpressure
78
-98
(0.78 -0.98, 0.8-10, 11-14)
59 -98
(059 -0.98, 06-10, 9-14)
157 (1.57, 16,23)
Oil pressure check Engine
Lubrication System(SR)
Oil pump inspection

Engine speed
rpm
Idle speed

3,200
Approximate
discharge
pressure kPa(bar,
kg/cm?,
psi)
More than
78(0.78, 0.8,11)
314 -392 (3.14 -3.92, 3.2-4.0, 46-57)
Body
toouter gearclearance
Inner geartoouter geartip
clearance . Unit:
mm(in)

0,114 -0,200 (0.0045 -0.0079)

Below
0.18(0.0071)
Regulator valveinspection

Unit:mm(in) Body
toinner gearclearance
Body toouter gearclearance
Inner g-eartobrazed portionof
housing clearance
0.05
-0.09 (0.0020 -0.0035)
0.05 -0.11 (0.0020 -0,0043)
0.045 -0,091 (0,0018 -0,0036)

Regulator valvetooil pump
cover clearance

Thermostat 0040
-0097 (0,0016 -0.0038)
Engine Cooling System(SR)
Radiator

Valve opening temperature
Valve lift
°C

(OF)

mml"C
(inI"F)
765
(170)

More than
8/90

(0,31/194)
Standard
Cap relief
pressure Limit
Leakage testpressure

LC-40
Unit:
kPa(bar, kg/em?, psi)

78 -98

(0.78 -0,98, 0.8-1,0, 11-14)
59 -98
(0,59 -0.98, 0.6-1.0, 9-14)
157 (1.57, 1.6,23)

SERVICEOATAAND SPECIFICATIONS (SOS)
Oil pressure check Engine
Lubrication System
Oil pump inspection

Unit:mm(in)
Body toouter gearclearance 0.12-0.20 (0.0047 -0.0079)
Outer geartoinner gearclearance Lessthan0.18(0.0071)
Engine
rpm
Idle speed
2,000 Approximate
dischargepressure
kPa (bar, kg/cm
2,
psi)
More than59(0.59, 0.6,9)
294 (2.9, 3,43) Housing
toinner gearclearance
Housing toouter gearclearance
Inner geartohousing clearance 0.05
-0.09 (0.0020 -0.0035)
0.05 -0.11 (0.0020 -0.0043)
0.05 -0.09 (0.0020 -0.0035)

•

Thermostat Engine
Cooling System
Radiator
Unit:kPa(bar, kg/cm
2,
psi)
Leakage testpressure
Valve
opening temperature

°c
(OF)

Valve lift

mmrC
(inrF)
88
(190)
More than10/100 (0.39/212) Cap
relief
pressure

LC-41
Standard
Limit 78
-98 (0.78 -0.98, 0.8-1.0,11 -14)
59 -98 (0.59 -0.98, 06-1.0, 9-14)
157 (1.57,1.6,23)

ENGINEMECHANICAL
SECTION
EM
CONTENTS
•

PRECAUTIONS
3

Parts Requiring AngularTightening 3
Liquid Gasket Application Procedure 3
PREPARATION 4
Special Service Tools 4
Commercial ServiceTools 8
GA
OUTER COMPONENT PARTS 9
COMPRESSION PRESSURE 15
Measurement ofCompression Pressure 15
OIL PAN 16
Removal 16
installation 17
TIMING CHAIN
18

Removal. 20
Inspection 23
Installation 23
OIL SEAL REPLACEMENT 30
CYLINDER HEAD 32
Removal 34
Disassembly 34
Inspection 34
Assembly 40
Installation 40
VALVE CLEARANCE 41
Checking 41
Adjusti ng 41
ENGINE REMOVAL .44
Removal 45
Ins taIIat ion " 46
CYLINDER BLOCK 47
Disassembly 48
Inspection 48
Assembly 55
SR

OUTER COMPONENT PARTS 59
COMPRESSION PRESSURE 62
Measurement ofCompression Pressure 62
OIL PAN
63

Removal 63
Installation ,66
TIMING CHAIN 68
Removal 69
Inspection 73
Installation ,73
OIL SEAL REPLACEMENT 82
ACCEL-DRUM UNIT 84
CYLINDER HEAD
85

Removal 86
Disassembly 86
Inspection 88
Assembly 93
Installation , 97
ENGINE REMOVAL 98
RemGval 99
Installation "100
CYLINDER BLOCK 101
Disassembly 102
Inspection , 102
Assembly 109
CD
OUTER COMPONENT PARTS
113

COMPRESSION PRESSURE 115
OIL PAN 118
Removal 118
Installation 118